*{margin: 0; padding: 0;}
h1,h2,h3{font-size: 16px;}
body{font-family: Arial;}
a{text-decoration: none; color: #646464;}
img{display: block;}
ul,ol{list-style: none;}

.l{float: left;}
.r{float: right;}
.clear:after{content: ""; display: block; clear: both;}

.container{width: 1080px; margin: 0 auto; position: relative;}
.container-fluid{width:  100%;}


#hearder{height: 81px;}
.header_logo{width: 162px; height: 44px; margin-top: 19px;}
.header_ul{line-height: 81px;}
.header_li{margin-left: 58px; float: left;}


